METHOD FOR SYNTHESIZING CUCR0.25FE1.75O4 FERRITE NANOPARTICLES

Abstract

ABSTRACT A method (100) for synthesizing CuCr0.25Fe1.75O4 ferrite nanoparticles. Further, the method comprising preparing stoichiometric aqueous solutions of chromium nitrate, cupric nitrate, and ferric nitrate in distilled water. Further, the method (100) comprising the steps of adding citric acid to the mixture at a molar ratio of 1:1 to facilitate complexation of cations, followed by adjusting the pH to 7 using an ammonia solution. Further, the method (100) comprising the steps of heating the resulting sol to extract the solvent, forming a viscous gel, and subsequently subjecting the gel to an auto-combustion process. Further, the method (100) comprising the steps of calcining the resultant powder at a temperature of 800°C for a duration of 5 hours to achieve the final ferrite product. Further, the method (100) comprising the steps of utilizing the synthesized ferrite nanoparticles for the adsorption of organic dyes from aqueous solutions. <

Specification

Description:FIELD OF THE DISCLOSURE
[0001] This invention generally relates to the field of wastewater treatment and in particular relates to a method for synthesizing doped transition metal ferrites that are utilized as adsorbents for the effective removal of synthetic organic dyes from contaminated water, thereby providing an environmentally sustainable solution for mitigating water pollution.
BACKGROUND
[0002] The subject matter discussed in the background section should not be assumed to be prior art merely as a result of its mention in the background section. Similarly, a problem mentioned in the background section or associated with the subject matter of the background section should not be assumed to have been previously recognized in the prior art. The subject matter in the background section merely represents different approaches, which in and of themselves may also correspond to implementations of the claimed technology.
[0003] Water pollution has become a significant global concern due to the increasing dis , Claims:WE CLAIM:
1. A method (100) for synthesizing CuCr0.25Fe1.75O4 ferrite nanoparticles, the method comprising the steps of:
preparing stoichiometric aqueous solutions of chromium nitrate, cupric nitrate, and ferric nitrate in distilled water;
adding citric acid to the mixture at a molar ratio of 1:1 to facilitate complexation of cations, followed by adjusting the pH to 7 using an ammonia solution;
heating the resulting sol to extract the solvent, forming a viscous gel, and subsequently subjecting the gel to an auto-combustion process;
calcining the resultant powder at a temperature of 800°C for a duration of 5 hours to achieve the final ferrite product; and
utilizing the synthesized ferrite nanoparticles for the adsorption of organic dyes from aqueous solutions.

2. The method (100) as claimed in claim 1, wherein the organic dyes are selected from the group consisting of Congo Red, Crystal Violet, and Malachite Green, and the adsorption efficiency is evaluated using UV-Vis spectrophotometry.

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